Martynov, A.V. and Godunko, R.J. 2013. A new subspecies of the subgenus Ecdyonurus Eaton, 1868 (Ephemeroptera: Heptageniidae) from the East of Ukraine. Zootaxa. 3666, 4 (Jun. 2013), 489–509. DOI:https://doi.org/10.11646/zootaxa.3666.4.5.